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331 Area Code

State: Illinois
Major City: Chicago
Timezone: America/Chicago
Current Time: 2:46 AM

Top 12 Cities in Area Code 331

City Population
Chicago 8,604,203
Naperville 148,449
Elgin 110,849
Elmhurst 46,746
Buffalo Grove 40,494
Northbrook 32,958
Elk Grove Village 32,400
West Chicago 26,816
Lisle 23,270
Hickory Hills 13,710
Burr Ridge 10,758
Oak Brook 8,016

Top 3 Counties in Area Code 331

County Population
Cook 5,198,275
DuPage 929,060
Kane 531,376

Age Distribution

Median age: 38.79

Median age in Area Code 331 is 38.79 years. 11.07% of residents are aged 0-9. 11.45% of residents are aged 10-19. The percentage of residents in their twenties is 14.76. 16.18 % are in their thirties, 12.93% in their fourties, 12.94 % in their fifties, and 10.51 % in their sixties. 6.00 % of residents are in their seventies and 4.12 % are eighty and over.

Demographics

51.49% are female
48.51% are male

48.51% of residents in Area Code 331 are male and 51.49% are female. 52.09% of residents are married and 8.41% are divorced. 34.44% have never been married. 5.06% are widowed. The average size of resident families is 3.07.

Household Income

Median household income: 102,114.53
64.58% have two income earners
50.89% of households earn $100,000+

Median household income in Area Code 331 is $102,114.53 with 64.58% of families having two income earners. 50.89% of households earn at least $100,000. 2.65% of households have an income under $5,000, 1.27% from $5,000-$10,000, 1.90% from $10,000-$15,000, 2.35% from $15,000-$20,000, 2.44% from $20,000-$25,000, 5.28% from $25,000-$35,000, 7.62% from $35,000-$50,000, 13.34% from $50,000-$75,000, 12.26% from $75,000-$100,000, 20.19% from $100,000-$150,000 and 30.70% over $150,000. The median income of individuals is $53,447.59.

Home Ownership and Rents

Median home value: $369,822.15
Median rent: $1,545.39
Rent burden: 28.03%

66.79% of households in Area Code 331 own (rather than rent) their residence. The median value of those homes is $369,822.15. The median rent paid by renters is $1,545.39 or 28.03% of the median renter's household income.

Education

45.99% have a Science and Engineering degree

6.02% of residents in Area Code 331 have less than a high school education. 15.21% have a high school diploma but no more. 21.29% of residents have some college but no more. 32.01% have a bachelor's degree (or equivalent) but no more. 25.42% have a graduate degree. 45.99% have a Bachelor's degree or higher in a Science and Engineering (or related) field.

Employment

29.00 minutes of commute time

69.30% of residents in Area Code 331 16 and older are in the labor force. 4.63% of residents are unemployed. The median commute time of resident workers in Area Code 331 is 29.00 minutes.

Races

12.76% report being Hispanic

73.36% of residents in Area Code 331 report their race as White. 5.10% report their race as Black or African American. 13.99% report their race as Asian. 0.15% report their race as American Indian and Alaska Native. 0.04% report their race as Native Hawaiian and Other Pacific Islander. 3.27% report their race as Some other race. 4.12% report their race as Two or more races. 12.76% report being Hispanic. Note: Hispanic is considered to be an ethnicity and not a race.

Other Statistics

7.96% report a disability
4.52% speak limited English
4.53% have no health insurance
3.53% are veterans

7.96% of residents in Area Code 331 report a disability. 4.52% of residents only speak limited English. 4.53% of residents report not having health insurance. 3.53% of residents are veterans.

Prefixes in Area Code 331

Prefix City
(331) 200- Chicago
(331) 201-
(331) 202- Chicago
(331) 203- Chicago
(331) 204- Chicago
(331) 205- Chicago
(331) 206- Chicago
(331) 207- Chicago
(331) 208- Chicago
(331) 209- Chicago
(331) 210- Chicago
(331) 211-
(331) 212- Elk Grove Village
(331) 213-
(331) 214-
(331) 215-
(331) 216- Burr Ridge
(331) 217-
(331) 218- Chicago
(331) 219- Chicago
(331) 220- Chicago
(331) 221- Elmhurst
(331) 222- West Chicago
(331) 223- West Chicago
(331) 224-
(331) 225- Chicago
(331) 226- Chicago
(331) 227- Hickory Hills
(331) 228- Chicago
(331) 229-
(331) 230- Chicago
(331) 231- Buffalo Grove
(331) 232- Buffalo Grove
(331) 233- Chicago
(331) 234-
(331) 235- West Chicago
(331) 236- Chicago
(331) 237- Elk Grove Village
(331) 238- Oak Brook
(331) 239- Chicago
(331) 240- Chicago
(331) 241- Chicago
(331) 242- Chicago
(331) 243- Chicago
(331) 244- Chicago
(331) 245- Chicago
(331) 246- Elgin
(331) 247- Chicago
(331) 248- Chicago
(331) 249- Chicago
(331) 250- Northbrook
(331) 251-
(331) 252- Oak Brook
(331) 253- Elgin
(331) 254- Chicago
(331) 255- Chicago
(331) 256-
(331) 257- West Chicago
(331) 258- Chicago
(331) 259- Chicago
(331) 260- Oak Brook
(331) 261- Elgin
(331) 262- Chicago
(331) 263- Chicago
(331) 264- Chicago
(331) 265- Chicago
(331) 266- Buffalo Grove
(331) 267- Chicago
(331) 268- Chicago
(331) 269- Chicago
(331) 270- Chicago
(331) 271- Chicago
(331) 272- Chicago
(331) 273- Chicago
(331) 274- Chicago
(331) 275- Chicago
(331) 276-
(331) 277- Burr Ridge
(331) 278- West Chicago
(331) 279- Chicago
(331) 280-
(331) 281- Naperville
(331) 282- Chicago
(331) 283- Chicago
(331) 284-
(331) 285-
(331) 288- Chicago
(331) 299- Chicago
(331) 300- Chicago
(331) 301- Chicago
(331) 302-
(331) 303- Chicago
(331) 304- Chicago
(331) 305-
(331) 307- Chicago
(331) 308- Chicago
(331) 309-
(331) 310- Chicago
(331) 311-
(331) 312-
(331) 315- Burr Ridge
(331) 318- Chicago
(331) 321- Chicago
(331) 330- Buffalo Grove
(331) 331-
(331) 332- Buffalo Grove
(331) 333- Buffalo Grove
(331) 334- Chicago
(331) 336- Chicago
(331) 341- Chicago
(331) 345- Chicago
(331) 348- Chicago
(331) 356- Chicago
(331) 373- Chicago
(331) 385- West Chicago
(331) 388- Chicago
(331) 399- Chicago
(331) 400- Chicago
(331) 401- Chicago
(331) 411-
(331) 422- Chicago
(331) 425- Chicago
(331) 426- Chicago
(331) 431- Chicago
(331) 442-
(331) 444-
(331) 452-
(331) 454- West Chicago
(331) 456- Chicago
(331) 457-
(331) 462- Chicago
(331) 465- West Chicago
(331) 466- Chicago
(331) 472- Chicago
(331) 481-
(331) 500- Chicago
(331) 511-
(331) 529- Chicago
(331) 551- Burr Ridge
(331) 555-
(331) 575- Chicago
(331) 588- West Chicago
(331) 591-
(331) 600- Chicago
(331) 611-
(331) 618-
(331) 625-
(331) 627- Chicago
(331) 630-
(331) 642- Chicago
(331) 643- Chicago
(331) 645- Chicago
(331) 666- Chicago
(331) 684- Lisle
(331) 688- Chicago
(331) 700-
(331) 701-
(331) 702- Elk Grove Village
(331) 703- Chicago
(331) 704- Chicago
(331) 707- Chicago
(331) 708-
(331) 711-
(331) 716- Chicago
(331) 717- Burr Ridge
(331) 725- Burr Ridge
(331) 732- Chicago
(331) 746- Chicago
(331) 757- Elgin
(331) 758- Chicago
(331) 771- Chicago
(331) 773-
(331) 775- Chicago
(331) 777-
(331) 779-
(331) 788- Chicago
(331) 800- Chicago
(331) 801- Oak Brook
(331) 803- Chicago
(331) 806- Chicago
(331) 808- Chicago
(331) 811-
(331) 814- Chicago
(331) 815-
(331) 825- Chicago
(331) 826- Chicago
(331) 837- Chicago
(331) 847-
(331) 850- Chicago
(331) 866- Chicago
(331) 867- Chicago
(331) 871- Chicago
(331) 872-
(331) 888- Chicago
(331) 899- Chicago
(331) 900- Chicago
(331) 901- Chicago
(331) 903- Chicago
(331) 911-
(331) 946- Chicago
(331) 950-
(331) 958-
(331) 959-
(331) 976-
(331) 979- Chicago
(331) 980- Chicago
(331) 988-
(331) 998-
(331) 999- Chicago